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Diamond League results: Alison dos Santos breaks 400m hurdles world record in Zurich

Alison dos Santos shatters the men’s 400m hurdles world record in Zurich, while the meet also sees a 100m sprint record.

By · Published August 29, 2026  10:54 UTC · Updated August 29, 2026  22:36 UTC

5sources
5articles
14velocity
+0%since first seen
45d agofirst detected
Text:
🤖 AI Dossier

Evidence dossier

Intelligence passport

47/100 Publishable
5distinct sources shown
40velocity measurements
3language editions checked
Unsupported statements were removed before publicationbrief evidence status

Measured timeline

📍 Aftermath

Alison dos Santos and Masai Russell broke world records in the hurdles at the Diamond League meet in Zurich. Dos Santos set a new mark in the 400m hurdles, while Russell achieved a record in the 100m hurdles.

Epilogue added 43d ago, after coverage quieted.

The brief

⚡ Executive Intelligence Takeaways Corroborated across 5 independent newsrooms
  • Velocity & Diffusion: Coverage exploded across 5 distinct news outlets with 5 published articles, achieving a live velocity of 14.
  • Primary Driver: Alison dos Santos shatters the men’s 400m hurdles world record in Zurich, while the meet also sees a 100m sprint record.
  • Source Integrity: Verified strictly against primary headline reporting under zero-hallucination protocols.

The performance eclipsed the previous mark by a significant margin and was the headline of the evening. World Athletics posted a flash update confirming the new mark, while WRAL and the BBC listed dos Santos among the meet’s record‑breaking results.

At the same Zurich meet, FloTrack reported that Masai Russell set a 100‑metre world record, a detail that complicates the singular focus on the hurdles achievement and raises questions about the extent of record‑setting performances that evening. While the hurdles record dominated most headlines, the sprint record received separate coverage, suggesting the meet produced multiple historic marks.

Synthesized by Archynetys from the headlines below under a strict no-invention contract. ✓ fact-checked: unsupported claims removed (50% supported) Updated 44d ago.

🌍 Around the world

This story first appeared in 🇧🇷 Portuguese coverage — 3.4 hours before Archynetys detected it in English news.

🇬🇧 English Aug 27, 22:24 UTC
🇧🇷 Portuguese Aug 27, 18:57 UTC · GE
🇩🇪 German Aug 27, 20:59 UTC · Leichtathletik.de

Detected by matching proper nouns and figures that survive translation. Times reflect when each edition's coverage was first indexed.

Sources (5)

Quick answers

What time did Alison dos Santos run to set the new 400m hurdles world record?

He ran 45.80 seconds.

Where was the 400m hurdles world record set?

At the Diamond League meeting in Zurich on August 27, 2026.

Which other world record was reported at the same meet?

Masai Russell set a 100‑metre world record, according to FloTrack.

How fast it spread

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Topics

Alison dos Santos Diamond League 400m hurdles Zurich World Athletics

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